News

  1. Artificial Intelligence

    AI may respond differently to bosses and subordinates

    In simulated conversations, social hierarchy can sway AI agents, making lower-status systems more likely to follow harmful requests.

    By Lily Burton
  2. Health & Medicine

    Here’s what the first mRNA flu vaccine could mean for flu season

    Compared with standard flu shots, Moderna’s mFlusiva generates stronger, longer-lasting immunity and is more effective at preventing infection, data show.

    By Cassie Martin
  3. Anthropology

    Sugar may have been a key ingredient in human evolution

    A sweet tooth for sugars from fruits and honey may have helped fuel brain growth in our primate cousins and early human ancestors, a new study suggests.

    By Jake Buehler
  4. Paleontology

    Heat-trapping asteroid dust may have incinerated the dinosaurs within hours

    Within minutes of impact, debris began heating Earth’s atmosphere.